package NGUYENHUUDUC_CTLT_EX_TL;

import java.util.Scanner;

public class ex3 {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		System.out.println("Nhap vao so kg: ");
		Scanner sc = new Scanner (System.in);
		String tam = sc.nextLine();
		if(tam.isEmpty()==true){
			System.out.println("Can phai nhap so kg!");
		}else{
			double kg = Double.parseDouble(tam);
			double pound = kg * 2.2;
			System.out.println("Pound = "+pound);
		}
	}
}